Evidence map›Paper›PMID 27340350›Full record

ArticleWorld journal of gastroenterology2016

Tumor-specific expression of shVEGF and suicide gene as a novel strategy for esophageal cancer therapy.

Ting Liu, Hai-Jun Wu, Yu Liang, Xu-Jun Liang, Hui-Chao Huang, Yan-Zhong Zhao, Qing-Chuan Liao, Ya-Qi Chen, Ai-Min Leng, Wei-Jian Yuan and 3 more

Abstract read
In one paragraph

Article in World journal of gastroenterology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

13 authors.

Ting LiuTing Liu, Ya-Qi Chen, Ai-Min Leng, Wei-Jian Yuan, Gui-Ying Zhang, Jie Peng, Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China.
Hai-Jun WuTing Liu, Ya-Qi Chen, Ai-Min Leng, Wei-Jian Yuan, Gui-Ying Zhang, Jie Peng, Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China.
Yu LiangTing Liu, Ya-Qi Chen, Ai-Min Leng, Wei-Jian Yuan, Gui-Ying Zhang, Jie Peng, Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China.
Xu-Jun LiangTing Liu, Ya-Qi Chen, Ai-Min Leng, Wei-Jian Yuan, Gui-Ying Zhang, Jie Peng, Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China.
Hui-Chao HuangTing Liu, Ya-Qi Chen, Ai-Min Leng, Wei-Jian Yuan, Gui-Ying Zhang, Jie Peng, Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China.
Yan-Zhong ZhaoTing Liu, Ya-Qi Chen, Ai-Min Leng, Wei-Jian Yuan, Gui-Ying Zhang, Jie Peng, Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China.
Qing-Chuan LiaoTing Liu, Ya-Qi Chen, Ai-Min Leng, Wei-Jian Yuan, Gui-Ying Zhang, Jie Peng, Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China.
Ya-Qi ChenTing Liu, Ya-Qi Chen, Ai-Min Leng, Wei-Jian Yuan, Gui-Ying Zhang, Jie Peng, Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China.
Ai-Min LengTing Liu, Ya-Qi Chen, Ai-Min Leng, Wei-Jian Yuan, Gui-Ying Zhang, Jie Peng, Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China.
Wei-Jian YuanTing Liu, Ya-Qi Chen, Ai-Min Leng, Wei-Jian Yuan, Gui-Ying Zhang, Jie Peng, Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China.
Gui-Ying ZhangTing Liu, Ya-Qi Chen, Ai-Min Leng, Wei-Jian Yuan, Gui-Ying Zhang, Jie Peng, Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China.
Jie PengTing Liu, Ya-Qi Chen, Ai-Min Leng, Wei-Jian Yuan, Gui-Ying Zhang, Jie Peng, Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China.
Yong-Heng ChenTing Liu, Ya-Qi Chen, Ai-Min Leng, Wei-Jian Yuan, Gui-Ying Zhang, Jie Peng, Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

aimTo develop a potent and safe gene therapy for esophageal cancer.

methodsAn expression vector carrying fusion suicide gene (yCDglyTK) and shRNA against vascular endothelial growth factor (VEGF) was constructed and delivered into EC9706 esophageal cancer cells by calcium phosphate nanoparticles (CPNP). To achieve tumor selectivity, expression of the fusion suicide gene was driven by a tumor-specific human telomerase reverse transcriptase (hTERT) promoter. The biologic properties and therapeutic efficiency of the vector, in the presence of prodrug 5-fluorocytosine (5-FC), were evaluated in vitro and in vivo.

resultsBoth in vitro and in vivo testing showed that the expression vector was efficiently introduced by CPNP into tumor cells, leading to cellular expression of yCDglyTK and decreased VEGF level. With exposure to 5-FC, it exhibited strong anti-tumor effects against esophageal cancer. Combination of VEGF shRNA with the fusion suicide gene demonstrated strong anti-tumor activity.

conclusionThe shVEGF-hTERT-yCDglyTK/5-FC system provided a novel approach for esophageal cancer-targeted gene therapy.

Indexed as

Genes, Transgenic, SuicideAnimalsCalcium PhosphatesCell Line, TumorDrug CarriersEsophageal NeoplasmsFemaleFlucytosineGenetic VectorsHumansMiceMice, Inbred BALB CMice, NudeNanoparticlesPromoter Regions, GeneticRNAi Therapeuticscalcium phosphateCalcium PhosphatesDrug CarriersFlucytosineRNA, Small InterferingTelomeraseTERT protein, humanVascular Endothelial Growth Factor Avascular endothelial growth factor A, mouseVEGFA protein, humanEsophageal cancerNanoparticlesRNA interferenceSuicide geneVascular endothelial growth factor

Identifiers

PMID27340350
PMCPMC4910655

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.